// 该文件负责链接数据库
const {Sequelize} = require("sequelize");

// 创建数据库链接
const sequelize = new Sequelize(process.env.DB_NAME, process.env.DB_USER, process.env.DB_PASS, {
  host: process.env.DB_HOST,
  dialect: "mysql",
  logging: false,
});

// 向外暴露这个链接实例
module.exports = sequelize;
